UPD17233, UPD Datasheet - NEC

UPD17233 4-BIT SINGLE-CHIP MICROCONTROLLER

µPD17230, 17231, 17232, 17233, 17234, 17235, 17236 (hereafter called µPD17236 subseries) are 4-bit singlechip microcontrollers for small general-purpose infrared remote control transmitters. It employs a 17K architecture of general-purpose register type devices for the CPU, and can directly execute .

UPD17233 Features

* Infrared remote controller carrier generator circuit (REM output)

* 17K architecture: General-purpose register system

* Program memory (ROM), Data memory (RAM) µPD17230 Program 4 K bytes 223 × 4 bits memory (ROM) (2048 × 16) Data memory (RAM) µPD17231 8 K bytes (4096 × 16)

UPD-17230.pdf